'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

function resolve(dir) {
  return path.join(__dirname, dir)
}

const name = defaultSettings.title || '导购辅助平台' // page title
// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
const port = 9528 // dev port
const timestamp = new Date().getTime()
const isDev = process.env.NODE_ENV === 'development'

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: defaultSettings.programmeFlag,
  outputDir: `dist${defaultSettings.programmeFlag}`,
  assetsDir: 'static',
  lintOnSave: !!isDev,
  productionSourceMap: false,
  css: {
    loaderOptions: {
      sass: {
        prependData: `
          @import "@/styles/index.scss";
        `
      }
    }
  },
  devServer: {
    publicPath: defaultSettings.programmeFlag,
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      // change xxx-api/login => mock/login
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      // 以下配置建议不更改
      '/data-dict/api': {
        target: ' https://qup2dev.quanyou.com.cn/data-dict',
        changeOrigin: true,
        pathRewrite: {
          '^/data-dict/api': '/api'
        }
      },
      '/ucenter/api': {
        target: 'https://qup2dev.quanyou.com.cn/ucenter',
        changeOrigin: true,
        pathRewrite: {
          '^/ucenter/api': '/api'
        }
      },
      '/select-service/api': {
        target: 'http://select-service.itdev2.quanyou.com.cn',
        changeOrigin: true,
        pathRewrite: {
          '^/select-service/api': '/api'
        }
      },
      // 以上配置建议不更改
      '/top2-sad/api': {
        target: 'http://top-sad-new.itdev2.quanyou.com.cn', // 测试地址
        // target: 'https://uip.quanyou.com.cn/top2-sad-new', // 正式地址
        // target: 'http://192.168.75.73:8558', // 本地开发环境
        changeOrigin: true,
        pathRewrite: {
          '^/top2-sad/api': '/api'
        }
      }
    },
    after: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    }
  },
  chainWebpack(config) {
    if (!isDev) {
      config.externals({
        'vue': 'Vue',
        'vue-router': 'VueRouter',
        'vuex': 'Vuex',
        'axios': 'axios',
        'element-ui': 'ELEMENT'
      })
    }
    config.plugin('html')
      .tap(args => {
        args[0].lastBuildDatetime = new Date().toLocaleString()
        return args
      })
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test
    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      )

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
              chunks: 'all',
              cacheGroups: {
                libs: {
                  name: 'chunk-libs',
                  test: /[\\/]node_modules[\\/]/,
                  priority: 10,
                  chunks: 'initial' // only package third parties that are initially dependent
                },
                elementUI: {
                  name: 'chunk-elementUI', // split elementUI into a single package
                  priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                  test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm
                },
                commons: {
                  name: 'chunk-commons',
                  test: resolve('src/components'), // can customize your rules
                  minChunks: 3, //  minimum common number
                  priority: 5,
                  reuseExistingChunk: true
                }
              }
            })
          config.optimization.runtimeChunk('single')
        }
      )
  }
}
